The Equivalence of the Identities: p(q.pr) = (pq.r) and pq.rp = p(qr.p). IJDM [Internet]. 28 sept. 2025 [cité 23 sept. 2026];2(3):094-102. Disponible à: https://ijdm.org.ng/index.php/Journals/article/view/235